The following table shows the distance from the sun of some unknown planets of equal mass.
Distance from Sun
Planet Distance from Sun
W
1.5 AU
X
0.723 AU
Which of the following best explains which planet revolves at a faster speed?
O Planet X, because the sun pulls it with a greater force
O Planet W, because the sun pulls it with a greater force
O Planet W, because the gravitational force is weakened by distance
O Planet X, because the gravitational force is strengthened by distance